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Экструдер компании Wenger

Unfortunately, there is no one “best way” to prepare the surface.
The coating selection (thin film or thick) will have a bearing on the type of preparation.
Or, to put it another way, the required surface prep can dictate the type of system from a thickness standpoint.
A thin-film coating will require preparation that will not leave a heavy profile.
A heavy profile may require a leveling or *fill coat* before the thin film installation.
This could double the estimated material cost.
It is also important to remember that new concrete requires proper preparation just as does any old surface.
Curing compounds must be removed, a proper profile or roughness achieved, and any surface laitance removed.
Consider the Performance Conditions